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detect key press in python?
I am making a stopwatch type program in python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while lo...
Get the value of an instance variable given its name
...e public. What you should do is:
class Computer
attr_reader :cpus
end
Now you can do Computer.new(4).cpus.
Note that you can reopen any existing class and make a private ivar into a reader. Since an accessor is just a method, you can do Computer.new(4).send(var_that_evaluates_to_cpus)
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Java: int array initializes with nonzero elements
...n Windows (for similar versions of JDK). Additionally it would be nice to know when this bug will be fixed.
There is only advice at the moment: do not use JDK1.7.0_04 or later if you depend on JLS for newly declared arrays.
Update at October 5:
In the new Build 10 of the JDK 7u10 (early access) r...
What is the correct XPath for choosing attributes that contain “foo”?
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xmlme.com now redirects to some other host and does not appear to host the tool or anything like it.
– jpmc26
Dec 6 '17 at 19:28
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Asynchronous vs Multithreading - Is there a difference?
...r, network interface, etc.) does the I/O work. The hardware lets the CPU know when it's finished by interrupting the CPU, and the OS then delivers the event to your application.
Frequently higher-level abstractions and APIs don't expose the underlying asynchronous API's available from the OS and t...
How do I check if a string is a number (float)?
...NaN')
nan
Otherwise, I should actually thank you for the piece of code I now use extensively. :)
G.
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How to solve Permission denied (publickey) error when using Git?
I'm on Mac Snow Leopard and I just installed git .
45 Answers
45
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How do I get git to default to ssh and not https for new repositories
...Hub repository setup page is just a suggested list of commands (and GitHub now suggests using the HTTPS protocol). Unless you have administrative access to GitHub's site, I don't know of any way to change their suggested commands.
If you'd rather use the SSH protocol, simply add a remote branch lik...
Using usort in php with a class private function
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The second section is now much better. But you still have missing ")" in your first example.
– codescribblr
Apr 23 '14 at 12:43
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What are '$$' used for in PL/pgSQL
...ACE FUNCTION update_ts() RETURNS TRIGGER AS $BODY$ BEGIN NEW.updated_at = NOW(); RETURN NEW; END; $BODY$ LANGUAGE plpgsql - I don't see body defined anywhere. I really have no idea what is going on here
– Growler
Feb 2 '17 at 3:55
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